답안 #743793

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
743793	2023-05-18T02:08:56 Z	vjudge1	Lightning Rod (NOI18_lightningrod)	C++17	100 / 100	424 ms	79824 KB

lightningrod

#include<bits/stdc++.h>

using namespace std;

int n,x,y;
stack<pair<int, int>> s;

inline void read(int &x)
{
    x = 0;
    char ch = getchar_unlocked();
    while (ch & 16)
    {
        x = (x << 3) + (x << 1) + (ch & 15);
        ch = getchar_unlocked();
    }
}

int main()
{
    ios_base::sync_with_stdio(0),cin.tie(0);
    read(n);
    for(int i = 0; i<n; ++i){
        read(x); read(y);
        if(!s.empty() && abs(s.top().first-x)<=s.top().second-y){
            continue;
        }
        while(!s.empty() && abs(x-s.top().first)<=y-s.top().second) s.pop();
        s.push({x,y});
    }
    cout<<s.size();
}

Subtask #1

4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	290 ms	79824 KB	Output is correct
2	Correct	302 ms	79624 KB	Output is correct
3	Correct	290 ms	77628 KB	Output is correct

Subtask #2

7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct

Subtask #3

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct

Subtask #4

21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct

Subtask #5

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	12 ms	1996 KB	Output is correct
15	Correct	11 ms	1816 KB	Output is correct
16	Correct	10 ms	1868 KB	Output is correct

Subtask #6

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	344 ms	51328 KB	Output is correct
2	Correct	323 ms	52400 KB	Output is correct
3	Correct	311 ms	50220 KB	Output is correct

Subtask #7

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	290 ms	79824 KB	Output is correct
2	Correct	302 ms	79624 KB	Output is correct
3	Correct	290 ms	77628 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	12 ms	1996 KB	Output is correct
18	Correct	11 ms	1816 KB	Output is correct
19	Correct	10 ms	1868 KB	Output is correct
20	Correct	344 ms	51328 KB	Output is correct
21	Correct	323 ms	52400 KB	Output is correct
22	Correct	311 ms	50220 KB	Output is correct
23	Correct	424 ms	680 KB	Output is correct
24	Correct	347 ms	656 KB	Output is correct
25	Correct	359 ms	3676 KB	Output is correct